2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1997-2007 Kenneth D. Merry
5 * Copyright (c) 2012 The FreeBSD Foundation
8 * Portions of this software were developed by Edward Tomasz Napierala
9 * under sponsorship from the FreeBSD Foundation.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/ioctl.h>
39 #include <sys/stdint.h>
40 #include <sys/types.h>
41 #include <sys/endian.h>
53 #include <cam/cam_debug.h>
54 #include <cam/cam_ccb.h>
55 #include <cam/scsi/scsi_all.h>
56 #include <cam/scsi/scsi_da.h>
57 #include <cam/scsi/scsi_pass.h>
58 #include <cam/scsi/scsi_message.h>
59 #include <cam/scsi/smp_all.h>
60 #include <cam/ata/ata_all.h>
67 print_periphs(int session_id)
72 int have_path_id, skip_bus, skip_device;
75 if ((fd = open(XPT_DEVICE, O_RDWR)) == -1) {
76 xo_warn("couldn't open %s", XPT_DEVICE);
81 * First, iterate over the whole list to find the bus.
84 bzero(&ccb, sizeof(union ccb));
86 ccb.ccb_h.path_id = CAM_XPT_PATH_ID;
87 ccb.ccb_h.target_id = CAM_TARGET_WILDCARD;
88 ccb.ccb_h.target_lun = CAM_LUN_WILDCARD;
90 ccb.ccb_h.func_code = XPT_DEV_MATCH;
91 bufsize = sizeof(struct dev_match_result) * 100;
92 ccb.cdm.match_buf_len = bufsize;
93 ccb.cdm.matches = (struct dev_match_result *)malloc(bufsize);
94 if (ccb.cdm.matches == NULL) {
95 xo_warnx("can't malloc memory for matches");
99 ccb.cdm.num_matches = 0;
102 * We fetch all nodes, since we display most of them in the default
103 * case, and all in the verbose case.
105 ccb.cdm.num_patterns = 0;
106 ccb.cdm.pattern_buf_len = 0;
108 path_id = -1; /* Make GCC happy. */
113 xo_open_container("devices");
116 * We do the ioctl multiple times if necessary, in case there are
117 * more than 100 nodes in the EDT.
120 if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
121 xo_warn("error sending CAMIOCOMMAND ioctl");
125 if ((ccb.ccb_h.status != CAM_REQ_CMP)
126 || ((ccb.cdm.status != CAM_DEV_MATCH_LAST)
127 && (ccb.cdm.status != CAM_DEV_MATCH_MORE))) {
128 xo_warnx("got CAM error %#x, CDM error %d\n",
129 ccb.ccb_h.status, ccb.cdm.status);
133 for (i = 0; i < ccb.cdm.num_matches; i++) {
134 switch (ccb.cdm.matches[i].type) {
135 case DEV_MATCH_BUS: {
136 struct bus_match_result *bus_result;
138 bus_result = &ccb.cdm.matches[i].result.bus_result;
142 if (strcmp(bus_result->dev_name, "iscsi") != 0) {
143 //printf("not iscsi\n");
147 if ((int)bus_result->unit_number != session_id) {
148 //printf("wrong unit, %d != %d\n", bus_result->unit_number, session_id);
153 case DEV_MATCH_DEVICE: {
162 case DEV_MATCH_PERIPH: {
163 struct periph_match_result *periph_result;
166 &ccb.cdm.matches[i].result.periph_result;
168 if (skip_device != 0)
171 if (strcmp(periph_result->periph_name, "pass") == 0)
174 xo_open_instance("lun");
175 xo_emit("{e:lun/%d}", periph_result->target_lun);
176 xo_emit("{Vq:device/%s%d} ",
177 periph_result->periph_name,
178 periph_result->unit_number);
179 xo_close_instance("lun");
181 if (have_path_id == 0) {
182 path_id = periph_result->path_id;
189 fprintf(stdout, "unknown match type\n");
194 } while ((ccb.ccb_h.status == CAM_REQ_CMP)
195 && (ccb.cdm.status == CAM_DEV_MATCH_MORE));
196 xo_close_list("lun");
198 xo_emit("{e:scbus/%d}{e:bus/%d}{e:target/%d}",
199 have_path_id ? (int)path_id : -1, 0, have_path_id ? 0 : -1);
200 xo_close_container("devices");